The Top 10 Best Heat Pump Hot Water Systems According to Australian Reviewers

Pros

✅ Australian/Japanese made
✅ High Coefficient of Performance (COP)
✅ Quiet
✅ Uses CO₂ refrigerant (low GWP)
✅ Compatible with solar systems
✅ Eligible for government incentives

Cons

❌ Pricing at the higher end of the spectrum

Pros

✅ Good quality and performance
✅ Competitively priced
✅ Dual sacrificial anodes
✅ Eligible for STCs
✅ Solar-friendly

Cons

❌ Some mention a low hum during operation

Pros

✅ Affordable but good quality
✅ Comparatively quiet
✅ Solar-friendly
✅ Eligible for incentives

Cons

❌ Labour warranty only two years

Pros

✅ Competitively priced
✅ Split or all-in-one options
✅ Eligible for incentives
✅ Solar-compatible

Cons

❌ Only 2-year labour warranty
❌ Terrible app

Pros

✅ Split and all-in-one options
✅ Solar PV mode
✅ 5-year parts & labour warranty (+2 years on tank)
✅ Eligible for incentives

Cons

❌ Pricey (but not the most expensive)

Pros

✅ Well-established company
✅ Japanese-made heat-pump units
✅ Australian-made stainless tanks

Cons

❌ Expensive
❌ No backup element
❌ Poor review scores around the web

Pros

✅ Budget-friendly
✅ 6-year parts & labour warranty
✅ Eligible for STCs
✅ Works with solar systems

Cons

❌ No app or Wi-Fi support

Pros

✅ Manufactured in Europe
✅ Solar compatible

Cons

❌ Expensive
❌ Reliability complaints
❌ Non-adjustable timers

Pros

✅ Made in Australia
✅ Long-established company
✅ Generally good reviews

Cons

❌ Comparatively expensive
❌ No solar power specific integration features noted
❌ No app

Pros

✅ Well-established Australian company.
✅ Manufactured in Australia/Japan.

Cons

❌ One of the more expensive systems.
❌ Mixed customer reviews – complaints concerning reliability.